Finding the Fourth Proportional to 13,951.89, 19,253.75 and 7,664.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,951.89 : 19,253.75 = 7,664.27 : x
2. Step 2: Convert to fraction form
   13,951.89/19,253.75 = 7,664.27/x
3. Step 3: Cross multiply
   13,951.89x = 19,253.75 × 7,664.27
4. Step 4: Simplify right side
   13,951.89x = 147,565,803.92
5. Step 5: Solve for x
   x = 147,565,803.92/13,951.89
6. Step 6: Final answer
   x = 10,576.76